SAMConnection->isConnected()
(No version information available, might be only in CVS)
SAMConnection->isConnected() — Queries whether a connection is established to a Messaging Server
说明
SAMConnection
bool isConnected
( void
)
Calling the "isConnected" method on a Connection object will check whether the PHP script is connected to a messaging server. No messages can be sent or received unless a connection has been established with a Messaging server.
返回值
This method returns TRUE if the SAMConnection object is successfully connected to a Messaging server or FALSE otherwise.
范例
Example#1 Checking whether there us a connection to a Messaging Server
<?php
if ($conn->isConnected()) {
echo 'Connection is active.'
} else {
echo 'No active connection!'
}
?>
